38e3b4d5bfa965710329a7b989999294df0d555930d63127d6f852f43caa92b1

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 22:03

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General

Target

38e3b4d5bfa965710329a7b989999294df0d555930d63127d6f852f43caa92b1.dll
Size

76KB
MD5

bcf833cd288e9970aad9f88ba8993b04
SHA1

97b183e76ea6c631540cdd3403bb4442fdbcd054
SHA256

38e3b4d5bfa965710329a7b989999294df0d555930d63127d6f852f43caa92b1
SHA512

d6b4838920dc24e16e21baf1cc6352f8655ea1ea0eedeb0ccd09a67d4044cd68becf1d787d3ff5af68c385df527473a9cdcf9c4e30adae7550301c15016f6f76
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZsMyQ+T5iBJ9K2TkpsCT:c8y93KQjy7G55riF1cMo035yQ+T5iBqx

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2548-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2548-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2548-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2036	2548	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 2548	2564	rundll32.exe	31
PID 2564 wrote to memory of 2548	2564	rundll32.exe	31
PID 2564 wrote to memory of 2548	2564	rundll32.exe	31
PID 2564 wrote to memory of 2548	2564	rundll32.exe	31
PID 2564 wrote to memory of 2548	2564	rundll32.exe	31
PID 2564 wrote to memory of 2548	2564	rundll32.exe	31
PID 2564 wrote to memory of 2548	2564	rundll32.exe	31
PID 2548 wrote to memory of 2036	2548	rundll32.exe	32
PID 2548 wrote to memory of 2036	2548	rundll32.exe	32
PID 2548 wrote to memory of 2036	2548	rundll32.exe	32
PID 2548 wrote to memory of 2036	2548	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\38e3b4d5bfa965710329a7b989999294df0d555930d63127d6f852f43caa92b1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2564
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\38e3b4d5bfa965710329a7b989999294df0d555930d63127d6f852f43caa92b1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 328
    3⤵
    - Program crash
    PID:2036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2548-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2548-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2548-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download